"The Mixteca were one of the great civilizations in Mesoamerica.
Plants were also domesticated by other civilizations in other parts of the world, almost certainly independently.
It forms a puzzle, for there are strong affiliations with most other contemporary civilizations in Mesoamerica.
Civilizations in Persia, in China, and in India start at the same time, maybe six thousand years ago.
The potential for Muslim empire building was established with the rise of the earliest civilizations in western Asia.
"Peru has one of the oldest continuous civilizations in the history of the planet," Mr. Frost explained.
The region at the time was home to rising civilizations in Crete, Cyprus, Egypt, Phoenicia and Turkey.
Being at the crossroads of civilizations in Central Asia made Afghanistan rich and influential many centuries ago.
His personal estimate, based on an equation he invented in 1961, is that there are 10,000 technological civilizations in the galaxy, one per million stars.
She graduated from the National Institute of Oriental Languages and Civilizations in Paris, from which she also received a master's in Japanese.
